Mark

@donaldmarkpr

Audio PCB Design Engineer ESP32 IoT Developer Bluetooth Amplifier Expert

United Kingdom

English

About me

I specialize in audio electronics, embedded systems, and IoT product development. My expertise includes Class-D amplifiers, DACs, preamps, Bluetooth audio systems, ESP32 firmware, BLE connectivity, and smart audio controllers. I provide complete solutions from schematic design and PCB layout to firmware development, prototyping, and manufacturing support. I help clients transform ideas into reliable, production-ready audio and connected electronic products.... Read more

Skills